arch: hexagon: kernel: add export symbol function __delay() (196b933d) · Commits · 戴 / test

Need add __delay() implementation, or can not pass allmodconfig in next-20131118 tree. The related error: CC kernel/locking/spinlock_debug.o kernel/locking/spinlock_debug.c: In function '__spin_lock_debug': kernel/locking/spinlock_debug.c:114:3: error: implicit declaration of function '__delay' [-Werror=implicit-function-declaration] Signed-off-by:

Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by:

Richard Kuo <rkuo@codeaurora.org>

arch/hexagon/include/asm/delay.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@

		#include <asm/param.h>

		extern void __delay(unsigned long cycles);
		extern void __udelay(unsigned long usecs);

		#define udelay(usecs) __udelay((usecs))

arch/hexagon/kernel/time.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -229,6 +229,15 @@ void __init time_init(void)
		late_time_init = time_init_deferred;
		}

		void __delay(unsigned long cycles)
		{
		unsigned long long start = __vmgettime();

		while ((__vmgettime() - start) < cycles)
		cpu_relax();
		}
		EXPORT_SYMBOL(__delay);

		/*
		* This could become parametric or perhaps even computed at run-time,
		* but for now we take the observed simulator jitter.

Admin message